Combined water-heater, smoke and gas consumer, and damper-regulator.



s BEEBT$-SHBLT 1.

I PATBNTED MAR. 19 L'MILLEE.

COMBINED WATER HEATER, SMOKE AND GAS CONSUMER, AND DAMPER I REGULATOR. I

APPLICATION FILED FEB. 21, 1906'.

INVENTOR.

IT HERE};

mm NW 5% wm Wm S 2 CL S a 8 "LL N T M x PATENTED MAR. 19, 1907 J. MILLER.

COMBINED WATER HEATER, SMOKE AND GAS CONSUMER, AND DAMPER REGULATOR.

APPLICATION FILED FBB.21, 1906.

3 SHEETS-SHEET INVENTUR'.

.L, .11 ElE'r} Na 847,425. 4 PATEHTED MAR. 19, 190?,

J. IVH'LLEQL.

COMBINED WATER HEATER, SMOKE AND GAS CONSUMER, AND DAMPER REGULATOR.

APPLIGATIOH PILEIJ $312.21, 1208.

3 SHEETS-EH15?!) 3.

AV/v/VA Xy AVA ENVENTUR'. T351111 Mlll 1; m. J EY @MME ATTORNEY sears ra rnn r carton consults-an, or onanonunw JERSEY. CllMBlHED WAT Eli-HEATER, SMOKEAND GA-S CONSUl/IER, AND DAMPER-REGULATOR.

M. senses.

To (all, whom, it may (rm merit: Be i known that 1, JOHN MILLER, a citizen of the United States, residing at Orange, in the county of Essex and State of New Jersey, have invented certain new and useful Improvements in a Combined Water-Heater, i -moire and Gas Corsumer, and Damperiteguiator; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.

The present invention relates to 'a novel system and arrangement of devices which are to be used with a boiler or boilers for the ot producing a combined water-' purpose heater, smoke and gas consumer, and damper-regulator; and the invention has for its principal obj set to provide, in connection with a steam-boiler furnace and the smoke-flue and a damper in said flue, a novel arrangement and combination of devices comprising, in addition. to those just enumerated, a re turn-fine communicating with the smokefiue on the ingress side of the damper and leading to a point below the grate of the furnace, an exhauster for said return-flue, a water-heating coil situated within said smokellue between the furnace and. the return-flue, and automatic means for opening and closing the damper correspondingly and governing the rate of motion of said exhauster inversely as the boiler-pressure falls below or rises above a predeterm ned degree, all arranged I with a view of preheating the feed-water and gases from the smoke-flue to at the same time drawing the smoke and of the boiler, where they are consumed to increase the heat and efficiency of the fire.

The invention consists in the novel arrangements and combinations of devices and parts, as well as in the details of the construction of particularly described in the following specification and then finally embodied in the clauses of the claim, which are appended to and which form an essential part of said specification.

The invention is illustrated in the acco.m panying drawings, in which Figure 1 is a front view of a pair of boilers fipeoiflcation of Letters Patent.

beneath the fire the same, all of which will be more.

Patented March 19, 1'907.

with their smoke-flue shown in longitudinal 55 vertical section and a representation in olevation of one arrangement or'system of devices and parts embodying the principles of the combined feed-water heater, smoke .and gas consumer, and damper or draft regulator; and Fig. 2 is a similar view of the said devices and parts, made on an enlarged scale, said view showin however, only a portion. of the one boiler, tie smoke-flue, and the feedwator-heating coil. therein. Fig. 3 is a horizontal section, said section being taken on line 3 3 in Fig. 1 and being made on a slightlyincrcased scale.

Similar characters of reference are employed in the said above-described views to indicate corresponding parts.

Ri' forring now to the several figures of the drawings, the reference character 1 indicates one of more boilers of any known construction, and 2 is a smoke-flue arranged between tire boiler or boilers and a stack 3. Suitably arranged within the said smoke flue 2, referably in the manner shown in the said etters Patent mentioned, is a coil 4; The feed-water to be preheated is forced into and through the heating-odd 4 from apipe 5, connected at one end with t e inlet 6' of the coil and at- 'tached atiits ot. er end to a force-p1imp 7 or other suitable mechanism for forcing water into and through the pipe 5 to be heated in said coil 4. A valve 8 may be placed in the Connected with the outlet pipe 5, as shown.

leads to the end'of the flue 2 and extends therefrom," the said pipe 10 terminating in a discharge or outletpipe 11, which extends into a receiving-tank 12, and the said pipe 11 tion 0 said tank,'substantially ii the manner indicated in dotted outline in Fig. 1 of the drawings. Connected with the said pipe 11 are suitable feed-pipes 13, each pipe 13 being connected with a boiler and each check-valve 14 and ordinary hand-valve. 15. A pipe 16 may lead from the receptacle or tank 12 to any other part outside of the boiler or. boilers for conducting the. water to any other point-desired. To remove any soot or other foreign matter from the said coil 4, a

ipe 17 is connected with an end'or other porl tion of the flue from which-steam oroth'er mat- No. 799,864, hcreinabove leadin to a point near the inner lower porpipe 13 being also provided with a suitable end 9 of the coil 4 is a return-pipe 10, which as much as possible.

of air-inlets 22 and having a portion .25 27,,withwhich isconnected a duct or pipe 3H,

0 )ro'vided with a )ullcv3] which is driven in 3 l t 5 3-4. in this pipe I have placed ani' suitably- 0 pul'posesol which are evident.

that may be in the llue .2.

o the tire-"rates ol' the boilers,as will-be clearlv 5 1s become mixed with the smoke and gases and 6a matic in its action and regulates the actions automatically controlled, so as to regulate IQ and in order to retain as much heat as possible within the line 2 .so that the water which i passes through the coil -lis many and l quickly heated, it is very desirable that this damper be maintaintal in its closed position The llue 3 is provided upon the ingress side of the damper with 'an opening 20, with which is connected a return Ilue or pipe ll. said llue or pipe being provided with a series which is connected to an inlet l-l ola suitable exhaust-tan 2:"), which is provided with desirably-tormed rotating exhaust or fan blades 26. Said exhauster 25 has an oiitlet terminatingat its opposite end in an inlet it). formed in the wall or foundation ill) of the boiler setting. The shal't ol' the cxhaustcr. which carries the exhaust or l'an blades 26, is 1 means of i belt 3'3, from-any suitable prime mover. in the present-case I employ a small steam-engine 33, as shown, which receives steam from one of the boilers through a pipe constructed and automal-iczilh'-operating steam-regulator. as 5-35. suitable wires 36 and 37 and a sh iii-gage its being also prel'(- ral. l placed in said pipe 34, and the Thus it will be clearly seen that when the tan-blades 2a of the cxhausler 35 are set in -motion by means of said engine 33ml" other suit-able prime mover some of the sn'iokeand gases will be drawn through the opening it) into the i-'eturn-llue pipe or duetll and through the shell or casing of the exhauster 25 into the pipe. or duct '25 and the passages 23%) and ll) directly beneath understood from an il'ispection oi the s veral 'ligures oi the drawings. At the same time a sullicientsupplyci l'resh a-iris drawn into the I pipe or duct 21 throughthe openings 22- to thereby produces av combustible mixture Winch s readily burnt or consmned by the lire upon tho grate or grates.

The steam-pressiire regulator 35 is autoof tho stiann-engine 33 to cause the engine. to regulate the rotary movement-s oi the parts of the oxhauster, as will presently appear. The movements of the damper it) arev l the open and closed positions of the damper by means of any well-known construction of the damper and. pressure regulator, asell, which is connected with one of the boilers by means of a steam-pipe 42, substantially as illustrated in Figs. 1 and .2 of the drawings;

The arrangement and constructions ol the parts of the said dampeigregulator are such that when the steam-pressure becomes lowered the damper is forced into its opened relation'in the llue 2. This produces a strong dral't which raises the steam and causes the engine 33 to run faster, Consequently the l exhauster 35 will work faster and help to fan the lire beneath the boiler. As soon as the steani-pressurc has been raised the damper will again become closed and the exhauster will be made to work much slower, with the result that the smoke and gases instead of passing out into the stack 3 will be brought back under the grate or grates, as hereinabove mentioned, and will be consumed and thereb provide an increased-heat;

it will thus be seen from the foregoing description that; a simple arrangement or combiiation ot elements has been produced by wlmsl not only the quantity of the gases returnet to the comlmstion-clnnnher is regulated, but tlie velocity of the motor is at the same time automatically controlled inversely as the boiler-1uessul'c rises abovv or falls below a predetermined degree, the said devices and parts cooperating to produce a constant ('ll'tllltllllOll ol" the. heated gases in operative contact with the water-heatingcoils at all the tilnesaud also automatically governing the rate of combustion.

l. The c-on'ibination of a steam-boiler furnace, av smoke-line, a damper in said smokellue, a retur11llue communieating with said smoke-line on the ingress side of said dainper, and leading to a pointbelow the grate ol' said furnace, an exhauster for said returnllue, a water heating coil situated within said smoke-tine between the furnace and the returnllue, andautomatie means for opening and closing said damper correspondingly, and for governing the rate of motion of said exhaustcr inversely, as the boiler-pressure falls below or rises above a predeternlined degree, substantially as and for the purposes set forth. x

'3. The combination ol' :1 steam-boiler fur nace, a smoke-tine, a damper in said smokellue, a return-line. ctnnnnmicating with said smolu -llue on the ingress side of said damper. and leading to a point. below th grate of said furnace, an exhanster for said returnllue, a miter-Mating coil situated within said smoke-line between the l'urnace and the return-lluc, and automatic means for opening and closing said damper correspondinglv. and for governing the rate oi motion of said exhauster inversely, as the boiler-pressure falls below or rises above a predetermined degree, consisting of a steam-engine, a steam connection between said engine and boiler, a pressure-regulator in said steam connection, {and a 'driving means between said steam-engine'ahd the exhauster, substantially as and for. the purposes set forth.

3. The combination of a steam-boiler furnace, a smoke-flue, a damper in said smokeflue, a return-flue. communfeating with said smoke-flue on the ing16SSi e-Of said daniper, and leading to a point belfiw the grate of i said furnace, an exhauster for said returnflue, a water-heating coil situated within said smoke-flue between the furnace and the re turn-flue, said coil having an inlet and an outlet, a pipe connected with said inlet, a pump connected with said pipe, a second pipe connected with said outlet of the coil, and a feed-pipe connected with said second pipe and the boiler for feeding the preheated water into th e boiler, and automatic means for opening and closing said damper correspondingly, and for governing the rate-of motion of said exhauster inversely, as the boiler-pressure falls below or'rises above a predetermined degree, substantially as and for the purposes set forth.

4. The combination of asteam-boiler furnace, a smoke-flue, a damper in said smokeflue, a return-flue communicating with said smoke-flue on the ingress side of said damper, and leading to a point below the grate of said furnace, an exhauster for said returnflue, a water-heating coil situated within said smoke-flue between the furnace and the returndlue, said coil having an inlet and an outlet, a pipe connected with said inlet, a pump connected with said pipe, a second pipe connected with said outlet of the coil, and a feed-pipe connected with said second pipe and the boiler for feeding the preheated water into the boiler, and automatic means for opening and closing said damper corre' spondingly, and for governing the rate of motion of said exhauster inversely, as the boiler-pressure'falls below or rises above a predetermined degree, consisting of a steamengine, a steam connection between said engine and boiler, a pressure-regulator in said steam connection, and a driving means between said steam-engine and the exhauster, substantially as for the purposes set forth.

5. The combination of ,a steam-boiler furnace, a smoke-flue, a damper in said smokeflue, a return-flue, communicatin with said smoke-flue on the ingress side said damper, and leading to a point below the grate of said furnace, said return-flue being provided with a means for conducting air into the same, an exhauster for said return-fiue, a Wat r-heating coil situated within said ,smo re-flue between the furnace and'the returii -iiue, and automatic means for opening 5 and closing said damper correspondingly,

line, a return-flue communicatin with said smoke-flue on the ingress side 0 said damper, and leading to a point below the grate of said furnace, said return-flue being provided with a means for conducting air into the same, an eXhauster for said return-flue, a water-heating coil situated within said smoke-flue between the furnace and the return-flue, and automatic means for opening and closing said damper correspondingly, and for governing the rate of motion of said exhauster inversely, as the boiler-pressure falls below or rises above a predetermined degree, consisting of a steam-enginaa steam connection between said engine and boiler, a pressure-regulator in said steam connection, and a drivin r neans between said steamengine and t 1e exhaustcr, substantially as and for the purposes set forth.

7. The combination of a stean1-boiler furnace, a smoke-flue, a damper in. said smokeilue, a return-flue communicating with said smoke-flue on. the ingress side of said damper, and leading to a point below the grate of said furnace, said return-flue being pro vided with a means for c nducting air into the same, an eXhauster i said return-flue, a water-heating coil situated within said smokedlue between the furnace and the return-flue, said coil having an inlet and an outlet, a pipe connected with said inlet, a pump connected with said pipe, a second pipe connected with said outlet ofthe coil, and a feed-pipe connected with said second pipe and the boiler for fcedin g the preheated waterinto the boiler, and automatic meansfor opening and closing said damper correspond ingly, and for governing the rate of motion of said exhauster inversely, as the boilerpressure falls below or rises above a predetermined degree, substantially as and for the purposes set forth.

8. The combination of a steam'boiler furnace, a smoke-flue, a damper in said smokeflue, a return-flue communicating with said smoke-llue on the ingress side of said damper, and leading to a point below the grate of said furnace, said return-flue being provided with a means for conducting air into the same, an exhaustcr for said return-flue, a water-heating coil situated within said sn1okeflue between the furnace and the return-flue, said coil having anin'let and an out- 12 5 let, a pipe connected with said inlet, a pump connected with said pipe, a second pipe connected with said outlet of the coil, and a feedpipe connected with said second pipe and the boiler for feeding the preheated Water into the boiler, and. automatic means for opening l engine and the exlmuster, substantially as r: and closing said dimmer correspumliz gly, mad fcrt'liepurposes setfortli.

and for governing the rate of inuiimi (al mid f in lcslimm v that '1 claim the invention uxlm'uster inversely, 15,;..Ll1U l)(;llfllfillCSrlUlO set, ful'ill abuve l. have hereunto set my haml falls below 01 rises above a PTHl0l. lflllll3((l this 153th(layol'Fcbruziry, 1906M degree, consisting of :1V st-enlwohgiin, a, steam JOHN MILLER. connection between said engine and boiler, a prcssure-regulat0r in said steam cunnecfi m, and a driving means between said steaml litiz vsscs:

Fxmmc. FRAENTZEL, (lino. l). RICHARDS. 

